Every user can delete a self-signed certificate by finding it in the list of certificates. To do this, you need to:
Open the "Settings" application.
Click on: "Security and Privacy" > "Additional Security Settings" > "Encryption and Credentials".
Go to the "Credential Storage" section.
Once in the certificate storage, the following actions can be performed with them:
(Not recommended) To delete all certificates on the device, click "Clear all credentials" > "OK".
(Recommended) To delete specific certificates on the device, click "User Credentials" > select the necessary credentials to delete.
Notes
Using a WI-FI network protected by WPA-Enterprise.
You can use WPA/WPA2/WPA3-Enterprise settings for additional protection when connecting.
To do this, you need to:
Open the "Settings" application.
Click on the "Network & Internet" > "Internet" > "Add Network" section, using the "+" icon.
Enter the details provided by the network administrator.
Additional information may be required to connect to the network.
Settings "Do Not Verify".
The "Do Not Verify" option was removed from EAP-PEAP, EAP-TLS, and EAP-TTLS settings for Android 11 and above.
Saved Enterprise settings that disable server certificate authentication verification are not affected. However, you cannot change them or create new ones.
WPA/WPA2/WPA3-Enterprise settings are available to both individual users and organizational employees.
Subtleties and Nuances
Addressing the issue of collision between server and client.
In this case, it is necessary to enter the domain name not in its full format, but using "". "abcdef.technomedia.ru" - incorrect ".technomedia.ru" - correct
